Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:11:05 2013

Optimize a model with 883 rows, 10597 columns and 595253 nonzeros
Presolve removed 38 rows and 13 columns (presolve time = 5s) ...
Presolve removed 50 rows and 26 columns
Presolve time: 9.83s
Presolved: 833 rows, 10571 columns, 588767 nonzeros
Variable types: 0 continuous, 10571 integer (10571 binary)
Found heuristic solution: objective 5855.0000000

Root relaxation: objective 4.979000e+03, 2371 iterations, 0.52 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

*    0     0               0    4979.0000000 4979.00000   0.0%     -   10s

Explored 0 nodes (2371 simplex iterations) in 10.44 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.979000000000e+03, best bound 4.979000000000e+03, gap 0.0%